Decatur weather live forecast

Tomorrow's maximum temperature in Decatur is expected to be 86°F.

5-day weather forecast updated at 04:01 on Monday 20th May 2024 GMT

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The 5-day weather forecast for Illinois (Decatur) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Decatur weather forecast by day

Below are the detailed weather forecasts for Decatur for the next 5 days.

Decatur weather for Monday 20th May 2024

Expect broken clouds in Decatur, Illinois with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south.

  • 86°F maximum temperature86
    °F maximum temperature
  • 70°F minimum temperature70
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 9 mph from the South9
    mph wind from S

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Decatur weather for Tuesday 21st May 2024

Expect isolated thunderstorms in Decatur, Illinois with a maximum temperature of 90°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a moderate breeze of 14 mph from the south.

  • 90°F maximum temperature90
    °F maximum temperature
  • 70°F minimum temperature70
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 39% chance of some rain39
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 14 mph from the South14
    mph wind from S

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Decatur weather for Wednesday 22nd May 2024

Expect isolated thunderstorms in Decatur, Illinois with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 20-30 mm of rainfall expected with 61% chance of some rain and a gentle breeze of 11 mph from the south-west.

  • 82°F maximum temperature82
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 61% chance of some rain61
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 11 mph from the South-West11
    mph wind from SW

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Decatur weather for Thursday 23rd May 2024

Expect clear skies in Decatur, Illinois with a maximum temperature of 79°F, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the north-east.

  • 79°F maximum temperature79
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Clear skies
    clear skies
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 2 mph from the North-East2
    mph wind from NE

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Decatur weather for Friday 24th May 2024

Expect scattered clouds in Decatur, Illinois with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south-east.

  • 81°F maximum temperature81
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 6 mph from the South-East6
    mph wind from SE

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